Stuffing box



Dec. 27, 1,938. K. T. PENICK ET AL STUFFING BOX Filed April 15, 1936 Patented Dec. 27, 1938 PATENT mm STUFFIN G BOX Kirby T. Penick and Arthur J. Penlck, Houston, Tex.

Application April 13,

3 Claims.

This invention relates to a stufling box. An object of the invention is to provide a stuffing box of the character described specially designed for forming a fluid tight joint between 6 adjacent parts. v

The type of stuifing box herein described is particularly useful for forming and maintaining a fluid tight joint between adjacent parts.

It is another object of the invention to provide a stufiing box which includes packing and means for confining the packing between the adjacent parts and having a reserve supply of the packing material with a novel arrangement whereby-the loss of packing material due to wear may be supplied from the available reserve supply of packing material, whereby the joint may be readily maintained fluid tight.

With the above and other objects in view the invention has particular relation to certain novel 0 features of construction, arrangement of parts and use, an example of which is given in this specification and illustrated in the accompanying drawing, wherein:

Figure 1 shows a side view partly in section of a well head illustrating an application of the invention.

Figure 2 showsa horizontal cross sectional view thereof. 7

Referring now more particularly to the drawing wherein like numerals of reference designate similar parts in each of the figures, the numeral ll designates a well head having the inside annular seat l2 on which the retainer ring I3 is supported. In the head there is a tubular hanger M which fits closely within the ring I 3 and which has an external annular rib l5 which fits closely within the head. Accordingly between the rib l5 and the ring I 3 there is an annular channel l6 extending entirely around the hanger 40 and forming a space for the packing ll. Radiating from this space through the head are the bores I8 into which the packing'extends forming reserve supplies IS.

The outer ends of the bores l8 are internally threaded to receive the jack screws which are threaded therein and whose inner ends fit snugly in the smooth portions of the bores, and againstthe packing IS.

An inner pipe 2| depends from the hanger into a 1936, Serial No. 74,176

The drawing and description disclose what is now considered to be a preferred form of the invention by way of'illustration only. While the broad principle of the invention will be defined by the appended claims.

What we claim is:

1. A tubular well head having an inside seat,

a retainer ring on the seat, a hanger fitted closely through the ring and having an external annular rib formed integrally therewith and arranged to m fit closely in the head and to provide an annular channel around the hanger,-said head having a radial bore communicating with the channel, packing filling the channel and supporting the rib and extended into the bore, a jack screw threaded into the bore and abutting the packing extending into said bore and forming means for forcing the reserve supply of packing into the channel to take up the wear.

2. A tubular well head having an inside seat and an outlet connection beneath said seat. a ring on said seat, a tubular hanger in the head having an external annular rib integral therewith and which fits closely in the head forming an annular channel around the hanger betweenthe 25 rib and ring, said head having radial bores which communicate with said channel, resilient packing filling the channel and supporting said rib and hanger and having reserve supplies of packing extended into the bores, jack screws threaded into 30 the bores whose inner ends abut said reserve supplies of packing whereby the jack screws may be screwed inwardly to eflect replacement, from said reserve supplies, of packing displaced from the channel.

3. A tubular well head having an inside seat and an outlet connection beneath said seat, a tubular hanger in the head having an external annular rib integral therewith and which flts closely in the head forming an annular channel 40 around the hanger between the rib and seat, said head havingradial bores which communicate with said channel, resilient packing filling the channel and supporting the rib and having reserve supplies of packing extended into the bores, jack screws threaded into the bores whose inner ends abut said reserve supplies of packing whereby the jack screws may be screwed inwardly to effect replacement, from said reserve supplies, of packing displaced from the channel, annular packing around the hanger resting on said rib and a ring around the hanger clamped against the upper end of said last mentioned packing.

WY '1. PENICK. AR'I'HUR J. PENICK. 

